.container {
    width: 1200px;
    height: 500px;
    margin: 10px auto;
    display: flex;
    border-radius: 5px;
}

#left {
    float: left;
    width: 200px;
    height: auto;
    border: 1px solid #ccc;
    text-align: center;
    padding: 15px;
    border-radius: 5px;
    background-color: #f9f9f9df;

}

.content {
    display: inline-block;
    width: 178px;
    cursor: pointer;
    text-align: left;
    list-style: none;
    height: 40px;
    line-height: 40px;
    padding-left: 20px;
}

.content:hover {
    color: #2d8ecf;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1)
}

.right {
    padding: 15px;
    border-radius: 5px;
    background-color: #f6f6f6;
    flex: 1;
    width: 1000px;
    height: auto;
    /* border: 1px solid #ccc; */
}
